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125kHz Noise finding
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AE8RS
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3
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1935
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January 03, 2019, 05:40:48 PM
by NC5P
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Modulating 3-30Hz
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VE3VTT
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4
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2204
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March 31, 2019, 02:54:57 PM
by KD0REQ
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magnetic disturbance before earthquakes
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KC6RWI
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4
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2208
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May 15, 2019, 03:27:58 PM
by K0UA
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ARTICLE: K9LA - Propagation on 630-Meters and 2200-Meters
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WA2ONH
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2
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2513
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February 24, 2019, 05:05:13 AM
by VE1YY
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President Lincoln III+ on ten meters
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K2PHD
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3
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2530
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August 17, 2019, 10:42:41 AM
by K0OD
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IC706 on 630m band using four turn magnetic loop antenna
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G0OQX
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10
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2545
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December 02, 2018, 08:26:00 AM
by W9IQ
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SLAC develops novel compact VLF antenna for communicating where radios fail
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N8FNR
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13
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2563
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September 06, 2019, 06:40:33 AM
by G8HQP
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Litz Coils
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K6STI
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6
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2807
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February 21, 2020, 04:10:19 PM
by K6STI
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Best time, freq to receive any 630/2200m stations
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N4AEQ
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8
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2862
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March 11, 2019, 03:54:04 AM
by NO3M
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Icom 718 on 630 meters?
« 1 2 »
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N0DZQ
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15
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3438
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March 11, 2022, 07:51:48 PM
by VK6HP
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New 2200 and 630 Meter ham band
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W5KUB
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0
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3517
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September 24, 2017, 02:08:59 PM
by W5KUB
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VLF converter
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KA4NMA
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0
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3523
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September 18, 2017, 05:51:51 AM
by KA4NMA
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FM works well on 160m
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VK3YE
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7
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3629
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January 31, 2019, 12:38:43 PM
by WB5WPA
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Summary of three (equipment) methods of transmitting on 630m
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AE5X
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0
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4267
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November 24, 2017, 09:36:21 AM
by AE5X
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Monitor Sensors TVTR1 630-Meter Transverter review in the July 2018 QST
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N8FNR
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4
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4411
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June 13, 2018, 12:22:26 PM
by AE5X
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Receiving 630m on a transmit antenna
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AE5X
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3
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4681
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November 03, 2017, 08:15:42 AM
by AA2UK
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HF Time Signal Intruder
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KA2FIR
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1
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5675
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June 21, 2018, 11:35:36 AM
by KA2FIR
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Working WAS on 630?
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K0OD
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4
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5814
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February 14, 2018, 04:14:56 AM
by AA2UK
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Anyone Know About JTDX on Longwave?
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K0OD
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1
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6056
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April 06, 2018, 04:49:22 PM
by VA3VF
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Power
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WD6GLA
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12
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6188
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November 04, 2017, 06:26:38 AM
by KM1H
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